Bruce Jenner is dating his estranged wife Kris Jenner’s longtime best friend and former assistant, Ronda Kamihira, TMZ reported. Bruce and Kris recently filed a divorce to end their 22 years of marriage.

The 64-year-old Bruce and Kamihira were reportedly spotted together at an Elton John concert in Los Angeles on earlier this month, sparking dating rumors. Kamihira, 51, has been divorced and has two daughters named Maddy and Spencer who are close to Kris and Bruce’s daughters Kendall and Kylie, the Daily Mail reported.

"Kris is devastated. This was her former assistant and best friend of 20 years,” a source reportedly said. "She's so sad and completely heartbroken.

"Kendall and Kylie grew up with her two kids and have been their best friends," the source reportedly added.

Bruce and Kris reportedly announced their separation in October 2013 and since then the Olympic athlete has been romantically linked to several stars.

"We are living separately and we are much happier this way. But we will always have much love and respect for each other. Even though we are separated, we will always remain best friends and, as always, our family will remain our number one priority,” the two said, in a statement, according to E! News, at the time.

Kris and Bruce reportedly cited irreconcilable differences as the reason for their divorce, according to court documents. Kris has also reportedly asked for the custody of her only minor child, Kylie, who is 17 years old.

Kris has four children -- Kim Kardashian, Kourtney Kardashian, Khloe Kardashian, and Rob Kardashian -- from her previous marriage to Robert Kardashian. Bruce also has four other children from previous marriages, Burt, Casey, Brandon, and Brody Jenner.